/*
 * Copyright (C) 2012  Ives van der Flaas
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <cstdlib>
#include "Bacsy/Common/StringUtils.h"
#include "Bacsy/Common/FileUtils.h"

using namespace Bacsy::Common;


void FileUtils::swapContents(Poco::File one, Poco::File two)
{
	const Poco::Path onePath = one.path();
	const Poco::Path twoPath = two.path();

	Poco::Path tmpPath(onePath);
	tmpPath.makeFile();

	Poco::File tmpFile;

	do
	{
		tmpPath.setFileName(onePath.getFileName() +
				StringUtils::toString(rand()));
		tmpFile = Poco::File(tmpPath);
	}
	while(tmpFile.exists());

	one.renameTo(tmpPath.toString());

	two.renameTo(onePath.toString());
	one.renameTo(twoPath.toString());
}
